Patents by Inventor Zhengao Lv

Zhengao Lv has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heater, use thereof and method for preparing isocyanate using heater
    Patent number: 10645756
    Abstract: A heater for heating and vaporizing droplets in gas stream, comprising a heater housing and a heater body located inside the heater housing, wherein the heater housing is provided with an airflow inlet and an airflow outlet, the airflow enters into the heater housing via the airflow inlet, flows through the heater body, and then is discharged via the airflow outlet; the heater body comprises a stereoscopic network structure formed by interweaving one or more electrical heating wires. The use of the heater and a method for preparing isocyanate using the heater. The heater has a simple structure, a low pressure loss, uniform heating and a high heat utilization ratio during preparing isocyanate.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 5, 2020
    Assignee: Wanhua Chemical Group Co., Ltd.
    Inventors: Yong Yu, Yonghua Shang, Zhongping Sun, Xuelei Cui, Peng Wang, Zhengao Lv, Weiqi Hua
  • Heater, Use Thereof And Method For Preparing Isocyanate Using Heater
    Publication number: 20170164424
    Abstract: A heater for heating and vaporizing droplets in gas stream, comprising a heater housing and a heater body located inside the heater housing, wherein the heater housing is provided with an airflow inlet and an airflow outlet, the airflow enters into the heater housing via the airflow inlet, flows through the heater body, and then is discharged via the airflow outlet; the heater body comprises a stereoscopic network structure formed by interweaving one or more electrical heating wires. The use of the heater and a method for preparing isocyanate using the heater. The heater has a simple structure, a low pressure loss, uniform heating and a high heat utilization ratio during preparing isocyanate.
    Type: Application
    Filed: June 16, 2014
    Publication date: June 8, 2017
    Applicant: Wanhua Chemical Group Co., Ltd.
    Inventors: Yong Yu, Yonghua Shang, Zhongping Sun, Xuelei Cui, Peng Wang, Zhengao Lv, Weiqi Hua